1.25Gbps Single Fiber Bi-directional SFP Transceiver

15km point-to-point transmission

`

Jun 12, 2007

Fiberxon Proprietary and Confidential, Do Not Copy or Distribute

Page 6 of 11

63

1

CC_BASE

xx

Check sum of bytes 0 - 62

64—65

2

Options

00 1A

LOS, TX_FAULT and TX_DISABLE

66

1

BR, max

00

67

1

BR, min

00

68—83

16

Vendor SN

xx xx xx xx xx xx xx xx

xx xx xx xx xx xx xx xx

ASCⅡ

84—91

8

Vendor date codexx xx xx xx xx xx 20 20

Year(2 bytes), Month(2 bytes), Day (2 bytes)

92

1

Diagnostic type 58

Diagnostics(Ext.Cal)

93

1

Enhanced option

B0

Diagnostics (Optional Alarm/warning flags,

Soft

TX_FAULT

and

Soft

TX_LOS

monitoring)

94

1

SFF-8472

02

Diagnostics(SFF-8472 Rev 9.5)

95

1

CC EXT

xx

Check sum of bytes 64 - 94

96—255

160

Vendor specific

Note: The “xx” byte should be filled in according to practical case. For more information, please refer to the

related document of SFF-8472 Rev 9.5.

Monitoring Specification

The digital diagnostic monitoring interface also defines another 256-byte memory map in EEPROM, which

makes use of the 8 bit address 1010001X (A2h). Please see Figure 1. For detail EEPROM information,

please refer to the related document of SFF-8472 Rev 9.5. The monitoring specification of this product is

described in Table 7 and Table 8.

Figure 1, EEPROM Memory Map Specific Data Field Description